/*****************************************************************************
 *   Copyright 2005 Tim A Wang
 *
 *   Licensed under the Apache License, Version 2.0 (the "License");
 *   you may not use this file except in compliance with the License.
 *   You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *   Unless required by applicable law or agreed to in writing, software
 *   distributed under the License is distributed on an "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *   See the License for the specific language governing permissions and
 *   limitations under the License.
 *
 ****************************************************************************/
package com.jb.web.model.css;

import com.jb.web.context.WebContext;
import com.jb.web.renderer.ComponentRenderer;

import com.jb.faces.component.UIComponent;


/**
 * DOCUMENT ME!
 *
 * @author $author$
 * @version $Revision$
 */
public class CssStyleRenderer extends ComponentRenderer {
    /**
     * DOCUMENT ME!
     *
     * @param pCtx DOCUMENT ME!
     * @param itemToRender DOCUMENT ME!
     *
     * @return DOCUMENT ME!
     */
    public StringBuffer renderBegin(WebContext pCtx, UIComponent itemToRender) {
        CssStyle variable = (CssStyle) itemToRender;
        String style = variable.getStyle();

        if (isEmptyString(variable.getStyle()) && pCtx.isRunTime()) {
            return new StringBuffer();
        }

        String selector = variable.renderSelector();
        StringBuffer stringBuffer = new StringBuffer("\n<style type=\"text/css\">\n").append(selector + "{\n" + style +
                "\n}").append("\n</style>\n");

        if (isEditable(pCtx, variable)) {
            stringBuffer.append(super.renderBegin(pCtx, itemToRender));
        }

        return stringBuffer;
    }
}
